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Finding the Fourth Proportional to 425,692.17, 587,459.16 and 234,712.35

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Solution

The fourth proportional to 425,692.17, 587,459.16 and 234,712.35 is: 323,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,692.17 : 587,459.16 = 234,712.35 : x
  2. Step 2: Convert to fraction form
    425,692.17/587,459.16 = 234,712.35/x
  3. Step 3: Cross multiply
    425,692.17x = 587,459.16 × 234,712.35
  4. Step 4: Simplify right side
    425,692.17x = 137,883,919,972.63
  5. Step 5: Solve for x
    x = 137,883,919,972.63/425,692.17
  6. Step 6: Final answer
    x = 323,905.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.